This is a control program for the GSM A22 Heat-Link device. You can power on/off the different channels by choosing different commands.
* Control all four groups.
* Power on or off more than one group with the same message.
* Control the alarm.
* Send status requests.
* Enter the phone number once and the app remembers the number.
Additional features for pro version:
* Receive answers from the device in the app.
* More features will be added for paying users in the future.
for pro features buy the GSM Control pro unlock app in the Android Market.